Perplexity-User in robots.txt
Perplexity-User is run by Perplexity. Purpose: user fetch. Source: Perplexity documentation.
What blocking Perplexity-User changes
This agent fetches a page when a person asks the assistant about it. Blocking it stops those live reads.
Block Perplexity-User
User-agent: Perplexity-User Disallow: /
Block Perplexity-User from one folder
User-agent: Perplexity-User Disallow: /private/
Allow Perplexity-User
If no group names Perplexity-User, it follows your "User-agent: *" rules. To allow it while other bots are blocked:
User-agent: Perplexity-User Allow: /
More: the guide AI crawlers in robots.txt and the AI crawler checker.
Questions
What is Perplexity-User?
Perplexity-User is the user agent token for an agent run by Perplexity. Its purpose: user fetch. See the Perplexity documentation linked on this page.
How do I block Perplexity-User?
Add a group to robots.txt with "User-agent: Perplexity-User" and "Disallow: /". The rule applies to agents that follow robots.txt.
How do I check if my site blocks Perplexity-User?
Run the free check on this site. It tests your robots.txt against 8 AI agents on your homepage. The $19 deep report tests 18 agents per path.
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